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Merge pull request #71 from AIDotNet/feature_qa
Feature qa
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,154 @@ | ||
| using AntSK.Domain.Domain.Model; | ||
| using Microsoft.Extensions.Configuration; | ||
| using Microsoft.Extensions.Logging; | ||
| using Microsoft.KernelMemory.AI.OpenAI; | ||
| using Microsoft.KernelMemory.Configuration; | ||
| using Microsoft.KernelMemory.DataFormats.Text; | ||
| using Microsoft.KernelMemory.Diagnostics; | ||
| using Microsoft.KernelMemory.Extensions; | ||
| using Microsoft.KernelMemory.Pipeline; | ||
| using Newtonsoft.Json; | ||
| using RestSharp; | ||
| using System.Security.Policy; | ||
| using System.Text; | ||
|
|
||
| namespace AntSK.Domain.Domain.Other | ||
| { | ||
| public class QAHandler : IPipelineStepHandler | ||
| { | ||
| private readonly TextPartitioningOptions _options; | ||
| private readonly IPipelineOrchestrator _orchestrator; | ||
| private readonly ILogger<QAHandler> _log; | ||
| private readonly TextChunker.TokenCounter _tokenCounter; | ||
| public QAHandler( | ||
| string stepName, | ||
| IPipelineOrchestrator orchestrator, | ||
| TextPartitioningOptions? options = null, | ||
| ILogger<QAHandler>? log = null | ||
| ) | ||
| { | ||
| this.StepName = stepName; | ||
| this._orchestrator = orchestrator; | ||
| this._options = options ?? new TextPartitioningOptions(); | ||
| this._options.Validate(); | ||
|
|
||
| this._log = log ?? DefaultLogger<QAHandler>.Instance; | ||
| this._tokenCounter = DefaultGPTTokenizer.StaticCountTokens; | ||
| } | ||
|
|
||
| /// <inheritdoc /> | ||
| public string StepName { get; } | ||
|
|
||
| /// <inheritdoc /> | ||
| public async Task<(bool success, DataPipeline updatedPipeline)> InvokeAsync( | ||
| DataPipeline pipeline, CancellationToken cancellationToken = default) | ||
| { | ||
| this._log.LogDebug("Partitioning text, pipeline '{0}/{1}'", pipeline.Index, pipeline.DocumentId); | ||
|
|
||
| if (pipeline.Files.Count == 0) | ||
| { | ||
| this._log.LogWarning("Pipeline '{0}/{1}': there are no files to process, moving to next pipeline step.", pipeline.Index, pipeline.DocumentId); | ||
| return (true, pipeline); | ||
| } | ||
|
|
||
| foreach (DataPipeline.FileDetails uploadedFile in pipeline.Files) | ||
| { | ||
| // Track new files being generated (cannot edit originalFile.GeneratedFiles while looping it) | ||
| Dictionary<string, DataPipeline.GeneratedFileDetails> newFiles = new(); | ||
|
|
||
| foreach (KeyValuePair<string, DataPipeline.GeneratedFileDetails> generatedFile in uploadedFile.GeneratedFiles) | ||
| { | ||
| var file = generatedFile.Value; | ||
| if (file.AlreadyProcessedBy(this)) | ||
| { | ||
| this._log.LogTrace("File {0} already processed by this handler", file.Name); | ||
| continue; | ||
| } | ||
|
|
||
| // Partition only the original text | ||
| if (file.ArtifactType != DataPipeline.ArtifactTypes.ExtractedText) | ||
| { | ||
| this._log.LogTrace("Skipping file {0} (not original text)", file.Name); | ||
| continue; | ||
| } | ||
|
|
||
| // Use a different partitioning strategy depending on the file type | ||
| List<string> partitions; | ||
| List<string> sentences; | ||
| BinaryData partitionContent = await this._orchestrator.ReadFileAsync(pipeline, file.Name, cancellationToken).ConfigureAwait(false); | ||
|
|
||
| // Skip empty partitions. Also: partitionContent.ToString() throws an exception if there are no bytes. | ||
| if (partitionContent.ToArray().Length == 0) { continue; } | ||
|
|
||
| switch (file.MimeType) | ||
| { | ||
| case MimeTypes.PlainText: | ||
| case MimeTypes.MarkDown: | ||
| { | ||
| this._log.LogDebug("Partitioning text file {0}", file.Name); | ||
| string content = partitionContent.ToString(); | ||
|
|
||
| using (HttpClient httpclient = new HttpClient()) | ||
| { | ||
| httpclient.Timeout = TimeSpan.FromMinutes(10); | ||
| StringContent scontent = new StringContent(JsonConvert.SerializeObject(new QAModel() { ChatModelId = StepName, Context = content }), Encoding.UTF8, "application/json"); | ||
| HttpResponseMessage response = await httpclient.PostAsync("http://localhost:5000/api/KMS/QA", scontent); | ||
| List<string> qaList = JsonConvert.DeserializeObject<List<string>>( await response.Content.ReadAsStringAsync()); | ||
| sentences = qaList; | ||
| partitions = qaList; | ||
| } | ||
| break; | ||
| } | ||
| default: | ||
| this._log.LogWarning("File {0} cannot be partitioned, type '{1}' not supported", file.Name, file.MimeType); | ||
| // Don't partition other files | ||
| continue; | ||
| } | ||
|
|
||
| if (partitions.Count == 0) { continue; } | ||
|
|
||
| this._log.LogDebug("Saving {0} file partitions", partitions.Count); | ||
| for (int partitionNumber = 0; partitionNumber < partitions.Count; partitionNumber++) | ||
| { | ||
| // TODO: turn partitions in objects with more details, e.g. page number | ||
| string text = partitions[partitionNumber]; | ||
| int sectionNumber = 0; // TODO: use this to store the page number (if any) | ||
| BinaryData textData = new(text); | ||
|
|
||
| int tokenCount = this._tokenCounter(text); | ||
| this._log.LogDebug("Partition size: {0} tokens", tokenCount); | ||
|
|
||
| var destFile = uploadedFile.GetPartitionFileName(partitionNumber); | ||
| await this._orchestrator.WriteFileAsync(pipeline, destFile, textData, cancellationToken).ConfigureAwait(false); | ||
|
|
||
| var destFileDetails = new DataPipeline.GeneratedFileDetails | ||
| { | ||
| Id = Guid.NewGuid().ToString("N"), | ||
| ParentId = uploadedFile.Id, | ||
| Name = destFile, | ||
| Size = text.Length, | ||
| MimeType = MimeTypes.PlainText, | ||
| ArtifactType = DataPipeline.ArtifactTypes.TextPartition, | ||
| PartitionNumber = partitionNumber, | ||
| SectionNumber = sectionNumber, | ||
| Tags = pipeline.Tags, | ||
| ContentSHA256 = textData.CalculateSHA256(), | ||
| }; | ||
| newFiles.Add(destFile, destFileDetails); | ||
| destFileDetails.MarkProcessedBy(this); | ||
| } | ||
|
|
||
| file.MarkProcessedBy(this); | ||
| } | ||
|
|
||
| // Add new files to pipeline status | ||
| foreach (var file in newFiles) | ||
| { | ||
| uploadedFile.GeneratedFiles.Add(file.Key, file.Value); | ||
| } | ||
| } | ||
|
|
||
| return (true, pipeline); | ||
| } | ||
| } | ||
| } |
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